| // run -gcflags=-G=3 |
| |
| // Copyright 2021 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package main |
| |
| import ( |
| "fmt" |
| ) |
| |
| type Numeric interface { |
| int32 | int64 | float64 | complex64 |
| } |
| |
| //go:noline |
| func inc[T Numeric](x T) T { |
| x++ |
| return x |
| } |
| func main() { |
| if got, want := inc(int32(5)), int32(6); got != want { |
| panic(fmt.Sprintf("got %d, want %d", got, want)) |
| } |
| if got, want := inc(float64(5)), float64(6.0); got != want { |
| panic(fmt.Sprintf("got %d, want %d", got, want)) |
| } |
| if got, want := inc(complex64(5)), complex64(6.0); got != want { |
| panic(fmt.Sprintf("got %d, want %d", got, want)) |
| } |
| } |